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 * @FilePath: \undefinedf:\qianduan\day-1\Untitled-1.html
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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>第一和HTML</title>
</head>
<body>
    <h1>hello world</h1>
</body>
</html>